T3902 MEMS Microphones 126 dB SPL AOP MEMS Microphone
TDK InvenSense T3902 Low‐Power Multi‐Mode Microphone
TDK Invensense T3902 Low‐Power Multi‐Mode Microphone offers a 185µA to 650µA current range, 36Hz to >20kHz frequency ratings, and 3.5mm × 2.65mm × 0.98mm surface‐mount package. T3902 microphone consists of a MEMS microphone element and an impedance converter amplifier, followed by a fourth-order Σ-Δ modulator. The T3902 series feature high performance, low power, standard, and sleep modes of operation. TDK Invensense T3902 Low‐Power Multi‐Mode Microphone is ideal for smartphones, cameras, tablets, and security and surveillance applications. FEATURES
- 3.5mm × 2.65mm × 0.98mm surface‐mount package
- 185µA in low‐power mode
- Extended frequency response from 36Hz to >20kHz
- 12µA sleep mode rating
- −97dB FS high power supply rejection (PSR)
- Fourth‐order Σ‐Δ modulator
- Digital pulse density modulation (PDM) output
- Compatible with Sn/Pb and Pb‐free solder processes
- RoHS/WEEE compliant
APPLICATIONS
- Smartphones
- Microphone arrays
- Tablets
- Cameras
- Bluetooth headsets
- Notebook PCs
- Security and surveillance
